AI agent teams waste massive tokens for barely measurable quality gains, research finds Teams of AI agents barely outperform solo agents while costing up to 5.1x more, according to research from Vals AI, with only one of four tests using GPT-6 Sol and Claude Opus 5.5 showing a measurable quality gain. Anthropic's own data corroborates the finding, showing that beyond ten agents quality plateaus while token costs keep climbing. AI agent teams waste massive tokens for barely measurable quality gains, research finds The Decoder https://the-decoder.com Teams of AI agents barely outperform solo agents but cost up to 5.1x more, according to Vals AI. Only one out of four tests with GPT https://www.machinebrief.com/glossary/gpt -6 Sol and Claude https://www.machinebrief.com/glossary/claude Opus 5.5 showed a measurable gain. Anthropic https://www.machinebrief.com/glossary/anthropic 's own data backs this up: beyond ten agents, quality plateaus while token https://www.machinebrief.com/glossary/token costs keep climbing. The article AI agent teams waste massive tokens for barely measurable quality gains, research finds https://the-decoder.com/ai-agent-teams-waste-massive-tokens-for-barely-measurable-quality-gains-research-finds/ appeared first on The Decoder https://the-decoder.com . Get AI news in your inbox Daily digest of what matters in AI. Key Terms Explained AI Agent https://www.machinebrief.com/glossary/ai-agent An autonomous AI system that can perceive its environment, make decisions, and take actions to achieve goals. Anthropic https://www.machinebrief.com/glossary/anthropic An AI safety company founded in 2021 by former OpenAI researchers, including Dario and Daniela Amodei. Claude https://www.machinebrief.com/glossary/claude Anthropic's family of AI assistants, including Claude Haiku, Sonnet, and Opus. Decoder https://www.machinebrief.com/glossary/decoder The part of a neural network that generates output from an internal representation.